The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:
Oxygen accounts for ____ % of totals human body mass?
___________ are needed as a source of energy for the vital activities of the body?
Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
__________ is essential for the formation of hemoglobin.
The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ?
Blood is carried towards the heart by __________?
Sythetic insulin from pork was formed by which technique?
On wound __________ fight foreign particles, like bacteria?
The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?
